package com.hdmall.business.common.util;

import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import java.util.Date;

/**
 * Created by geely
 */
public class DateTimeUtil {

    //joda-time

    //str->Date
    //Date->str
    public static final String STANDARD_FORMAT = "yyyy-MM-dd HH:mm:ss";



    public static Date strToDate(String dateTimeStr,String formatStr){
        DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern(formatStr);
        DateTime dateTime = dateTimeFormatter.parseDateTime(dateTimeStr);
        return dateTime.toDate();
    }

    public static String dateToStr(Date date,String formatStr){
        if(date == null){
            return StringUtils.EMPTY;
        }
        DateTime dateTime = new DateTime(date);
        return dateTime.toString(formatStr);
    }

    public static Date strToDate(String dateTimeStr){
        DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern(STANDARD_FORMAT);
        DateTime dateTime = dateTimeFormatter.parseDateTime(dateTimeStr);
        return dateTime.toDate();
    }

    public static String dateToStr(Date date){
        if(date == null){
            return StringUtils.EMPTY;
        }
        DateTime dateTime = new DateTime(date);
        return dateTime.toString(STANDARD_FORMAT);
    }
    //两个时间相减 创建时间 累加一定小时 减去 现在时间
    public static Long dateCompare(Date createTime,Integer time){
        Long endTime;
        endTime=  createTime.getTime()+time*1000*60*60-System.currentTimeMillis();
        if (endTime<0){
            endTime=0L;
        }
        return  endTime;
    }
    public static Long dateCompareMinute(Date createTime,Integer time){
        Long endTime;
        endTime=  createTime.getTime()+time*1000*60-System.currentTimeMillis();
        if (endTime<0){
            endTime=0L;
        }
        return  endTime;
    }
    public static void main(String[] args) {
       // System.out.println(DateTimeUtil.dateToStr(new Date(),"yyyy-MM-dd HH:mm:ss"));
       // System.out.println(DateTimeUtil.strToDate("2010-01-01 11:11:11","yyyy-MM-dd HH:mm:ss"));
//
//        dateCompare();
       // System.out.println(new Date().getTime());

    }
}
